<!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-spring4-4.dtd">
<html lang="en" xmlns="http://www.w3.org/1999/xhtml"
      xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="utf-8">
    <title>后台管理</title>
    <meta name="renderer" content="webkit">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport"
          content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=0">
    <link rel="stylesheet" th:href="@{/static/commen/css/layui.css}" media="all">
    <link rel="stylesheet" th:href="@{../../static/back/css/admin.css}" media="all">
    <link rel="stylesheet" th:href="@{/static/back/css/formSelects-v4.css}" media="all">
</head>
<body>
<div class="layui-fluid">
    <div class="layui-card">
        <div class="layui-card-header">资源上传</div>
        <div class="layui-card-body" style="padding: 15px;">
            <form class="layui-form" action="" lay-filter="component-form-group">
                <input type="hidden" name="id" id="id" th:value="${resource != null ? resource.id : ''}">
                <div class="layui-form-item">
                    <label class="layui-form-label">资源标题</label>
                    <div class="layui-input-block">
                        <input type="text" name="title" required lay-verify="required" placeholder="请输入资源标题"
                               class="layui-input" th:value="${resource != null ? resource.title : ''}">
                    </div>
                </div>
                <div class="layui-form-item layui-form-text">
                    <label class="layui-form-label">资源简介</label>
                    <div class="layui-input-block">
                        <textarea name="explain" placeholder="请输入资源简介" class="layui-textarea" th:text="${resource != null ? resource.explain : ''}">

                        </textarea>
                    </div>
                </div>

                <input id="files" name="files" value="0" class="layui-input" type="hidden">
                <div class="layui-upload">
                    <p>上传资源</p>
                    <button type="button" class="layui-btn layui-btn-normal" id="testList">选择多文件</button>
                    <div class="layui-upload-list">
                        <table class="layui-table">
                            <thead>
                            <tr>
                                <th>文件名</th>
                                <th>大小</th>
                                <th>状态</th>
                                <th>操作</th>
                            </tr>
                            </thead>
                            <tbody id="demoList">

                            </tbody>
                        </table>
                    </div>
                    <button type="button" class="layui-btn" id="testListAction">开始上传</button>
                </div>

                <div class="layui-form-item layui-layout-admin">
                    <div class="layui-input-block">
                        <div class="layui-footer" style="left: 0;">
                            <button class="layui-btn" lay-submit="" lay-filter="add">立即提交</button>
                            <button type="reset" class="layui-btn layui-btn-primary">重置</button>
                        </div>
                    </div>
                </div>
            </form>
        </div>
    </div>
</div>

</body>
</html>
<!--底部-->
<script th:src="@{/static/back/js/jquery-3.4.1.min.js}"></script>
<script th:src="@{/static/commen/layui.js}"></script>
<script th:src="@{/static/back/js/admin.js}"></script>
<script>
    layui.use('laydate', function () {
        var laydate = layui.laydate;
        //执行一个laydate实例
        laydate.render({
            elem: '#date' //指定元素
        });
    });
    layui.use(['form', 'layer'], function () {
        $ = layui.jquery;
        window.layer = layui.layer;
        var form = layui.form;

        //监听提交
        form.on('submit(add)', function (data) {
            $.ajax({
                url: "/back/resource/setResource",
                type: "post",
                async: true,//异步加载
                data: data.field,
                success: function (obj) {
                    window.parent.location.reload();
                }
            });
            return false;
        });
    });
    //文件上传
    layui.use('upload', function () {
        var $ = layui.jquery
            , upload = layui.upload;
        //多文件列表示例
        var demoListView = $('#demoList')
            , uploadListIns = upload.render({
            elem: '#testList'
            , url: '/file/paperupload'
            , accept: 'file'
            , multiple: true
            , auto: false
            , bindAction: '#testListAction'
            , choose: function (obj) {
                var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
                //读取本地文件
                obj.preview(function (index, file, result) {
                    var tr = $(['<tr id="upload-' + index + '">'
                        , '<td>' + file.name + '</td>'
                        , '<td>' + (file.size / 1014).toFixed(1) + 'kb</td>'
                        , '<td>等待上传</td>'
                        , '<td>'
                        , '<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>'
                        , '<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>'
                        , '</td>'
                        , '</tr>'].join(''));

                    //单个重传
                    tr.find('.demo-reload').on('click', function () {
                        obj.upload(index, file);
                    });

                    //删除
                    tr.find('.demo-delete').on('click', function () {
                        delete files[index]; //删除对应的文件
                        tr.remove();
                        uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
                    });

                    demoListView.append(tr);
                });
            }
            , done: function (res, index, upload) {
                if (res.code === 0) { //上传成功
                    var tr = demoListView.find('tr#upload-' + index)
                        , tds = tr.children();
                    tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');
                    tds.eq(3).html(''); //清空操作
                    var nowvalue = $("input[name='files']").val();
                    console.log('<' + nowvalue);
                    nowvalue = nowvalue + ',' + res.id;
                    console.log('>' + nowvalue);
                    document.getElementById("files").value = nowvalue;//这里必须要用ById,如果用ByName会赋值无效，猜测可能是input设置了隐藏的原因
                    return delete this.files[index]; //删除文件队列已经上传成功的文件
                }
                this.error(index, upload);
            }
            , error: function (index, upload) {
                var tr = demoListView.find('tr#upload-' + index)
                    , tds = tr.children();
                tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
                tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
            }
        });
    });
</script>
